Under What Conditions Is It Impossible for a Stimulus to Produce

question 223

Multiple Choice

Under what conditions is it impossible for a stimulus to produce an action potential?

• A) if the membrane is in its absolute refractory period
• B) if it occurs at the same time as a hyperpolarizing stimulus
• C) if sodium ions are more concentrated outside the cell than inside
• D) if the potassium gates have been blocked

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